{"id":"CVE-2026-18196","kind":"vulnerability","aliases":["CVE-2026-18196"],"related":[],"title":"IBM App Connect Enterprise: remote attacker can inject arbitrary HTML into pages","description":"IBM App Connect Enterprise 13.0.1.0 through 13.0.8.2, and 12.0.1.0 through 12.0.12.30 could allow a remote attacker to inject arbitrary HTML due to improper output neutralization.","summary":"IBM App Connect Enterprise versions 13.0.1.0 through 13.0.8.2 and 12.0.1.0 through 12.0.12.30 fail to neutralize output, so a remote attacker can inject arbitrary HTML. The sources do not describe the exact impact beyond HTML injection.","severity":"medium","cvss":5.4,"epss":null,"exploited":false,"exploited_at":null,"products":[],"ecosystems":[],"tags":["ibm-app-connect-enterprise","integration","vendor"],"not_affected_if":[],"how_to_check":"- Check the installed IBM App Connect Enterprise version against the affected ranges (13.0.1.0 through 13.0.8.2, 12.0.1.0 through 12.0.12.30)","fix":null,"status":"open","published_at":"2026-11-08T18:17:03+00:00","first_seen_at":"2026-11-08T18:22:22+00:00","triaged_at":"2026-11-08T18:22:57+00:00","updated_at":"2026-11-08T18:22:57+00:00","category":"vendor","confidence":0.6,"triage":{"at":"2026-11-08T18:22:57Z","model":"claude-haiku-5-5","output":{"fix":"unknown","reach":"internet","title":"IBM App Connect Enterprise: remote attacker can inject arbitrary HTML into pages","impact":"medium","summary":"IBM App Connect Enterprise versions 13.0.1.0 through 13.0.8.2 and 12.0.1.0 through 12.0.12.30 fail to neutralize output, so a remote attacker can inject arbitrary HTML. The sources do not describe the exact impact beyond HTML injection.","audience":"businesses","category":"vendor","nicknames":[],"who_cares":["ibm-app-connect-enterprise","integration"],"confidence":0.6,"fix_status":"unknown","needs_auth":"unknown","worst_case":"Attacker injects arbitrary HTML into pages served to users","analyst_note":"Find IBM's security bulletin for CVE-2026-18196 to confirm the fixed version, the affected interface and whether user interaction is needed.","how_to_check":"- Check the installed IBM App Connect Enterprise version against the affected ranges (13.0.1.0 through 13.0.8.2, 12.0.1.0 through 12.0.12.30)\n- unknown for other checks: the sources do not say which pages or features are affected","plain_action":"","product_name":"","needs_analyst":true,"not_affected_if":[],"who_is_affected":"Organisations running IBM App Connect Enterprise in the listed version ranges. The sources do not say which interfaces or configurations expose the injection, so unknown.","user_interaction":"unknown","product_ecosystem":"","needs_special_setup":"unknown","severity_if_unknown":"medium"},"cost_usd":0.000732,"input_tokens":4558,"output_tokens":552,"severity_before":"medium"},"analyst_status":null,"analyst_note":null,"search":"'-18196':15A,18A '-2026':14A,17A '12.0.1.0':35B,69C '12.0.12.30':37B,71C '13.0.1.0':31B,65C '13.0.8.2':33B,67C 'allow':73C 'app':2A,21B,27B,62C 'arbitrari':9A,48B,79C 'attack':6A,45B,76C 'beyond':58B 'connect':3A,22B,28B,63C 'could':72C 'cve':13A,16A 'describ':54B 'due':81C 'enterpris':4A,23B,29B,64C 'exact':56B 'fail':38B 'html':10A,49B,59B,80C 'ibm':1A,20B,26B,61C 'ibm-app-connect-enterpris':19B 'impact':57B 'improp':83C 'inject':8A,47B,60B,78C 'integr':24B 'neutral':40B,85C 'output':41B,84C 'page':12A 'remot':5A,44B,75C 'sourc':51B 'vendor':25B 'version':30B","nicknames":[],"mitigations":[],"who_affected":"Organisations running IBM App Connect Enterprise in the listed version ranges. The sources do not say which interfaces or configurations expose the injection, so unknown.","tier":"C","verified":{},"analyst_revisit_at":null,"fix_status":"none","audience":"businesses","plain_action":null,"pkeys":[],"ptokens":[],"labels":["ibmappconnectenterprise","integration","medium","vendor"],"campaign_type":null,"search_a":"'-18196':15A,18A '-2026':14A,17A 'app':2A 'arbitrari':9A 'attack':6A 'connect':3A 'cve':13A,16A 'enterpris':4A 'html':10A 'ibm':1A 'inject':8A 'page':12A 'remot':5A","search_b":"'12.0.1.0':35B '12.0.12.30':37B '13.0.1.0':31B '13.0.8.2':33B 'app':21B,27B 'arbitrari':48B 'attack':45B 'beyond':58B 'connect':22B,28B 'describ':54B 'enterpris':23B,29B 'exact':56B 'fail':38B 'html':49B,59B 'ibm':20B,26B 'ibm-app-connect-enterpris':19B 'impact':57B 'inject':47B,60B 'integr':24B 'neutral':40B 'output':41B 'remot':44B 'sourc':51B 'vendor':25B 'version':30B","search_c":"'12.0.1.0':69C '12.0.12.30':71C '13.0.1.0':65C '13.0.8.2':67C 'allow':73C 'app':62C 'arbitrari':79C 'attack':76C 'connect':63C 'could':72C 'due':81C 'enterpris':64C 'html':80C 'ibm':61C 'improp':83C 'inject':78C 'neutral':85C 'output':84C 'remot':75C","cause_entry":null,"cause_path":null,"disclosures_checked_at":null,"first_public_at":"2026-11-08T18:17:03+00:00","kev":null,"cvss_vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N","cvss_by":"psirt@us.ibm.com","poc_count":0,"sources":[{"source":"nvd","external_id":"CVE-2026-18196","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-18196","severity":null,"published_at":"2026-11-08T18:17:03+00:00","modified_at":"2026-11-08T18:17:03+00:00","first_seen_at":"2026-11-08T18:22:22+00:00","fetched_at":"2026-11-08T18:22:22+00:00","note":null}],"documents":[],"disclosures":[],"exploit_sources":[],"notice":"Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai"}